Privacy Policy

Last updated: March 2026

Gluck does not collect, store, or transmit any personal data. All information — including hydration logs, preferences, and settings — is stored locally on your device using Apple's SwiftData framework.

What we collect

Nothing.

Data storage

All data is stored locally on your Mac. There is no server, no cloud sync, no analytics, and no third-party SDKs.

Third-party services

Gluck does not integrate with any third-party services, APIs, or analytics platforms.

Permissions

Accessibility (optional): Used solely to display the hydration reminder overlay above other windows. No keystrokes, screen content, or user activity is recorded.

Notifications: Used to send local hydration reminders. No data leaves your device.

Children's privacy

Gluck does not knowingly collect data from anyone, including children under 13.

Changes to this policy

If this policy changes, the updated version will be posted here with a new date.